#!/bin/bash

# Bind all unused PCI devices bound to uio drivers
# back to default kernel driver

if [ $USER != "root" ] ; then
	echo "Restarting script with sudo..."
	sudo $0 ${*}
	exit
fi

for f in /sys/bus/pci/drivers/{igb_uio,uio_pci_generic,vfio-pci}/*; do
	[ -e ${f}/config ] || continue
	fuser -s ${f}/config  && continue
	echo 1 > ${f}/remove
	removed=y
done

[ -n ${removed} ] && echo 1 > /sys/bus/pci/rescan
